api developer jobs in Chicago

Role: Senior API Engineer – Azure, Onsite in Chicago, IL - Contract Job Description:  Role OverviewWe are seeking a Senior API Engineer with strong hands-on experience designing, developing, securing, and deploying enterprise APIs on Microsoft Azure. The ideal candidate will have expertise in Azure API services, REST API development, cloud infrastructure,...

Job Details:Position: Lead SDET Location: Chicago, IL (Hybrid) Type: Contract - (W2, 1099)Job Overview:We are seeking a Lead SDET (Software Development Engineer in Test) to extend and enhance our testing automation framework using Java/JavaScript. The role requires strong ownership of business requirements, test strategy development, and hands-on automation...

OverviewAn established healthcare company is looking for a driven Python Engineer to join their growing team. They seek someone with experience with Python frameworks, RESTful APIs, and data handling. Candidates should plan to come into the office in Chicago 1-2x/week. This is a W2 Contract position with long-term potential.Location: Chicago, IL (onsite...

***We are unable to sponsor for this permanent full-time role******Position is bonus eligible***Prestigious Global Firm is currently seeking a Lead C# .Net Azure Software Engineer. Candidate will have expertise in building full-stack applications using React, .NET, Next.js, and Azure. This role will be responsible for leading technical development,...

A leading professional services organization is expanding its artificial intelligence capabilities and is seeking a Director of AI Platform Integrations to drive the technical strategy behind its growing ecosystem of AI, legal technology, and enterprise software solutions. This is a highly visible opportunity for a hands on technology leader who enjoys...

Tax Data Systems and Process Analyst Mid Experience driving progress, solving problems, and mentoring more junior team members; deeper expertise and applied knowledge within relevant area. Minimum qualifications: Bachelor's degree in Finance or Tax with an emphasis in Data Science/Information Systems or equivalent practical experience. 4 years of experience...

Job Title: Data EngineerDuration: 12+ Months with possible extensionLocation: Chicago, IL. About JLL and JLL Technologies: JLL is a leading professional services firm that specializes in real estate and investment management. Our vision is to reimagine the world of real estate, creating rewarding opportunities and amazing spaces where people can achieve...

Technical Skills- Programming Languages: Python, Java, or C#, Typescript, Javascript- Testing Frameworks: Selenium, TestNG, JUnit, PyTest, Playwright- Version Control: Git- CI/CD Tools: Concourse, Jenkins, Azure DevOps- Database Knowledge: SQL, Postgres, MsSQL, Bigquery- API Testing: Postman, ECHOAPI, REST Assured- AI tool : Copilot, Claude, Cursor AI...

Senior Discovery IT System Administrator Employment Type: Full-Time, Executive-Level Department: Legal    CGS is seeking a dedicated Senior Discovery IT System Administrator to join a fast-paced and hard-working team to assist with any legal accounts. As a Senior Discovery IT System Administrator, you will play a key role in supporting various aspects of...

Position: M365 AdministratorLocation: Chicago, IL (Onsite)Client: DoE (Department of Energy)Must be an US Citizen ESSENTIAL FUNCTIONSThe Senior M365 Administrator provides leadership in the design, deployment, administration, and sustainment of the Microsoft 365 environment supporting the Department of Energy Office of Science. This role encompasses...

Join a global engineering team reimagining insurance technology through intelligent automation. You will design and deploy production-grade Agentic AI systems powered by LLMs, RAG, and document intelligence, transforming how brokers and underwriters operate and enabling smarter, faster business decisions at scale. EPAM is where tech talent thrives-building...

Education Requirements:- Bachelor's degree in Computer Science or Electrical EngineeringPreferred Education:- Master's degree in Computer Science or Electrical EngineeringRequired Skills for the Java Lead Engineer:- 10+ years' experience of designing and developing software applications inâ€...

job summary:The Lead Software Engineer will take technical ownership of the full-stack applications the team builds on React, .NET, Next.js, and Azure, including AI-powered features that help lawyers and staff work more effectively. This is a hands-on leadership role: you will write and review code, set engineering standards, make architectural decisions,...

The Mobile Developer V will design, develop, and support mobile-first backend services and APIs optimized for high-performance mobile applications.This role requires strong experience building secure REST/JSON or GraphQL APIs, working within cloud-native environments, and ensuring reliability, scalability, and robust security standards.The developer will...

Senior Engineering Management Specialist Join our Deloitte Cyber team to deliver powerful solutions to help our clients navigate the ever-changing threat landscape. Through powerful solutions and managed services that simplify complexity, we enable our clients to operate with resilience, grow with confidence, and proactively manage to secure success....

***We are unable to sponsor as this is a permanent full time role******Hybrid, 4 days onsite, 1 day remote***Responsibilities:Design and evolve low-latency, highly resilient network architecture across global data center, co-location, and cloud-connected environments, with a focus on deterministic packetforwarding, scalability, and operational...

We offer a flexible working policy that supports a healthy balance between personal and professional well-being. This role requires in-office presence on Tuesdays & Thursdays to collaborate, connect, and learn from peers - while alsomaintainingthe flexibility for meaningful work-life balance. Being a Principal Product Manager (Technical)...

Description We are seeking a Senior Software Engineer with deep experience in backend Java development and Android application engineering. This role will focus on designing, building, and maintaining scalable backend services while also contributing to Android mobile applications. The ideal candidate brings strong technical expertise, a collaborative...

Discovery IT System Administrator Employment Type: Full-Time, Executive-Level Department: Legal    CGS is seeking a dedicated Discovery IT System Administrator to join a fast-paced and hard-working team to assist with any legal accounts. As a Discovery IT System Administrator, you will play a key role in supporting various aspects of the company's...

Must have Skills/AttributesAgile, AWS, DevOps, Java, Spring ShiftM-F Nice to have Skills/Attributes Position DescriptionRequired Education/Experience:• Bachelor’s degree in computer science or electrical engineering or related field is required w/ 8+ years’ experience in this capacityOR•...